Which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? A) The rich natural resources made the Sacramento Valley a "Garden of Eden" and permanent villages were established about 8,000 years ago. B) Permanent villages were established about 8,000 years ago and the rich natural resources made the Sacramento Valley a "Garden of Eden." C) The rich natural resources made the Sacramento Valley a "Garden of Eden;" and so the permanent villages were established about 8,000 years ago. D) Because of the rich natural resources which made the Sacramento Valley a ‘Garden of Eden,’ Native Americans established permanent villages there 8,000 years ago.